...max_readahead; /* Since v7.6 */ uint32_t flags; /* Since v7.6; some flags bits were introduced later */ uint16_t max_background; /* Since v7.13 */ uint16_t congestion_threshold;…...nsigned short pointed to by the third ioctl (2) argument. These devices replace the screendump ioctl (2) operations of ioctl_console (2), so the system administrator can control…...nsigned short pointed to by the third ioctl (2) argument. These devices replace the screendump ioctl (2) operations of ioctl_console (2), so the system administrator can control…..._CRYPT_DES , LO_CRYPT_FISH2 , LO_CRYPT_BLOW , LO_CRYPT_CAST128 , LO_CRYPT_IDEA , LO_CRYPT_DUMMY , LO_CRYPT_SKIPJACK , or (since Linux 2.6.0) LO_CRYPT_CRYPTOAPI . The lo_flags fi…..._CRYPT_DES , LO_CRYPT_FISH2 , LO_CRYPT_BLOW , LO_CRYPT_CAST128 , LO_CRYPT_IDEA , LO_CRYPT_DUMMY , LO_CRYPT_SKIPJACK , or (since Linux 2.6.0) LO_CRYPT_CRYPTOAPI . The lo_flags fi…SCSI tape device NAME st - SCSI tape device SYNOPSIS #include <sys/mtio.h> int ioctl(int fd , int request [, (void *) arg3 ]); int ioctl(int fd , MTIOCTOP, (struct mtop *) mt_cmd )…